Base | Representation |
---|---|
bin | 1000010011111011100… |
… | …1111100111100100000 |
3 | 111122120020021000000121 |
4 | 2010332321330330200 |
5 | 4314413030100000 |
6 | 145332502130024 |
7 | 13213311011164 |
oct | 2047671747440 |
9 | 448506230017 |
10 | 142789300000 |
11 | 55613923556 |
12 | 2380ba20914 |
13 | 10607713b79 |
14 | 6ca7c68ca4 |
15 | 3aaaa45b1a |
hex | 213ee7cf20 |
142789300000 has 72 divisors (see below), whose sum is σ = 351373299732. Its totient is φ = 57115680000.
The previous prime is 142789299997. The next prime is 142789300007. The reversal of 142789300000 is 3987241.
It can be written as a sum of positive squares in 6 ways, for example, as 44195811984 + 98593488016 = 210228^2 + 313996^2 .
It is not an unprimeable number, because it can be changed into a prime (142789300007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613947 + ... + 813946.
Almost surely, 2142789300000 is an apocalyptic number.
142789300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142789300000 is an abundant number, since it is smaller than the sum of its proper divisors (208583999732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142789300000 is an frugal number, since it uses more digits than its factorization.
142789300000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1427928 (or 1427900 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The spelling of 142789300000 in words is "one hundred forty-two billion, seven hundred eighty-nine million, three hundred thousand".
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